There is no unifying organisation type which uses business services. Rather, workers in the sector provide professional assistance to all organisations. According to 2018 statistics, there are 2 million people working in business services occupations, down 7 per cent over the past two years, but still representing a high proportion (17 per cent) of Australian jobs. The three industries that employ the most business services graduates are: Health Care and Social Assistance, Retail Trade and Public Administration and Safety.
The insight and skills obtained in the Certificate IV in Business (Finance) would be of great use in many medium sized businesses, who may be too small to have a Finance or Payroll Department but are large enough to require assistance in the management of budgets, payroll and accounts payable and receivable. If you find that you are drawn to a specific area of interest, then a role in a larger organisation, within say the Payroll Department, may be just what you are looking for. Many businesses also choose to outsource some of their requirements and there are also options for employment with consulting businesses who provide these outsourced services.